Base | Representation |
---|---|
bin | 10111101110110110… |
… | …00010011010000111 |
3 | 1012212221102120222102 |
4 | 23313123002122013 |
5 | 202043143312240 |
6 | 5504135422315 |
7 | 630506445062 |
oct | 136733023207 |
9 | 35787376872 |
10 | 12740994695 |
11 | 5448a60990 |
12 | 2576b2499b |
13 | 1280828420 |
14 | 88c1c78d9 |
15 | 4e883e815 |
hex | 2f76c2687 |
12740994695 has 32 divisors (see below), whose sum is σ = 17976700224. Its totient is φ = 8546457600.
The previous prime is 12740994667. The next prime is 12740994697. The reversal of 12740994695 is 59649904721.
It is not a de Polignac number, because 12740994695 - 224 = 12724217479 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12740994695.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12740994697) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 966569 + ... + 979661.
It is an arithmetic number, because the mean of its divisors is an integer number (561771882).
Almost surely, 212740994695 is an apocalyptic number.
12740994695 is a deficient number, since it is larger than the sum of its proper divisors (5235705529).
12740994695 is a wasteful number, since it uses less digits than its factorization.
12740994695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14483.
The product of its (nonzero) digits is 4898880, while the sum is 56.
The spelling of 12740994695 in words is "twelve billion, seven hundred forty million, nine hundred ninety-four thousand, six hundred ninety-five".
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